Security Digest · Critical advisory (no CVE assigned)
GHSA-26w7-cxv4-gfx2: Astro: Remote code execution through AVIF image optimization
A vulnerability in libheif, used by the default Sharp image service in Astro, can lead to remote code execution when a malicious AVIF image is optimized.
CVSS 9.8 Critical GitHub-reviewed · critical
Should you act?
- Only if you depend on one of the packages below, directly or transitively, in a vulnerable version. Check your lockfile with
npm audit (or: npm ls <package>). - No CVE has been assigned, so it will not appear in CVE-based scanners that ignore GitHub advisories.
npm audit,pip-auditand Dependabot do read GitHub advisories.
Affected packages
| Ecosystem | Package | Vulnerable | First fixed |
|---|---|---|---|
| npm | astro | < 7.2.8 | 7.2.8 |
Details
A vulnerability in libheif, used by the default Sharp image service in Astro, can lead to remote code execution when a malicious AVIF image is optimized.
Projects are affected when an attacker can cause Astro to process an untrusted AVIF image.
The fix was released in Astro 7.2.8, which requires Sharp 0.35.4.
CVSS: 9.8 (v3.1) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources and references
- GitHub Advisory GHSA-26w7-cxv4-gfx2 github.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com